@book{28881,
	author = {Leenders, Michiel R. and  Fearon ,Harold E. },
	title = {Purchasing and materials management /},
	publisher = {universal bookstall,},
	year = {1985.},
	address = {New delhi :},
	edition = {8th ed.},
	note = {The 1st and 2d ed. by H. T. Lewis published under title: Procurement: principles and cases; 3d ed. by H. T. Lewis and W. B. England; 4th ed. by W. B. England; 5th ed. published  under title: Modern procurement management: principles and cases.}
}